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Black Spruce, Balsam Fir and Jack Pine are often cut into dimensional lumber for residential house construction, they are grouped together and graded asS-P-F....Select Structural, No.1 or No.2 in Canada.

This group may contain all local species of Spruce and Pine and Balsam Fir(Alpine Fir)...not including Douglas Fir.

These are also important sources for wood-fibre for O.S.B and M.D.F

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What is the most common tree in Austria?

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